A millimeter wavelength radiation source using a dual grating resonator

A novel means of producing coherent radiation by passing an electron through a dual-grating resonator is presented, The observed radiation is in accordance with the Smith-Purcell dispersion relation for a single grating. Feedback is provided by a second grating. Experiments carried out at beam energ...

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Bibliographic Details
Published in:IEEE transactions on plasma science 1994-10, Vol.22 (5), p.530-535
Main Authors: Killoran, J.H., Hacker, F.L., Walsh, J.E.
Format: Article
Language:English
Subjects:
426000 - Engineering- Components, Electron Devices & Circuits- (1990-)
Apertures
Computer hacking
DESIGN
Dispersion
ELECTROMAGNETIC RADIATION
Electron beams
ELECTRONIC EQUIPMENT
ENGINEERING
FAR INFRARED RADIATION
FREE ELECTRON LASERS
Gratings
INFRARED RADIATION
LASERS
MICROWAVE EQUIPMENT
Mirrors
OPERATION
Optical feedback
Optical resonators
Optical surface waves
Physics
Power measurement
Radiation
RADIATION SOURCES
RADIATIONS
RESONATORS
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Summary:A novel means of producing coherent radiation by passing an electron through a dual-grating resonator is presented, The observed radiation is in accordance with the Smith-Purcell dispersion relation for a single grating. Feedback is provided by a second grating. Experiments carried out at beam energies from 30-55 keV produced radiation at wavelengths from 6 to 0.75 mm. Power measurement were used to clarify the grating beam interaction, Indications are that operation could be easily extended to shorter wavelengths to provide an inexpensive and compact radiation source in the far-infrared.< >
ISSN:0093-3813
1939-9375
DOI:10.1109/27.338264